Mercurial > hg > icedtea7-forest > hotspot

changeset 6577:3413fb2061fb icedtea-2.7.0pre15

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8138745, PR3465, RH1484399: Implement ExitOnOutOfMemory and CrashOnOutOfMemory in HotSpot Reviewed-by: dholmes Contributed-by: cheleswer.sahu@oracle.com
author kevinw
date Wed, 25 Oct 2017 17:09:59 +0100
parents f631660ef0a3
children 4e2348c9ec42
files src/share/vm/runtime/globals.hpp src/share/vm/utilities/debug.cpp
diffstat 2 files changed, 18 insertions(+), 1 deletions(-) [+]
line wrap: on
line diff
--- a/src/share/vm/runtime/globals.hpp	Fri Aug 11 23:51:07 2017 -0400
+++ b/src/share/vm/runtime/globals.hpp	Wed Oct 25 17:09:59 2017 +0100
@@ -1247,6 +1247,13 @@
           "in perm.  This purely intended to allow debugging issues"        \
           "in production.")                                                 \
                                                                             \
+  product(bool, ExitOnOutOfMemoryError, false,                              \
+          "JVM exits on the first occurrence of an out-of-memory error")    \
+                                                                            \
+  product(bool, CrashOnOutOfMemoryError, false,                             \
+          "JVM aborts, producing an error log and core/mini dump, on the "  \
+          "first occurrence of an out-of-memory error")                     \
+                                                                            \
   /* tracing */                                                             \
                                                                             \
   notproduct(bool, TraceRuntimeCalls, false,                                \
--- a/src/share/vm/utilities/debug.cpp	Fri Aug 11 23:51:07 2017 -0400
+++ b/src/share/vm/utilities/debug.cpp	Wed Oct 25 17:09:59 2017 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -317,6 +317,16 @@
       VMError err(message);
       err.report_java_out_of_memory();
     }
+
+    if (CrashOnOutOfMemoryError) {
+      tty->print_cr("Aborting due to java.lang.OutOfMemoryError: %s", message);
+      fatal(err_msg("OutOfMemory encountered: %s", message));
+    }
+
+    if (ExitOnOutOfMemoryError) {
+      tty->print_cr("Terminating due to java.lang.OutOfMemoryError: %s", message);
+      exit(3);
+    }
   }
 }